.. include:: /Includes.rst.txt
.. index::
   single: Extension development; TCA
   pair: TCA; Extension
   single: $GLOBALS; TCA

.. _extending:
.. _extending-tca:

========================
Extending the TCA array
========================

Being a PHP array, the Table Configuration Array can be easily
extended. It can be accessed as the global variable :php:`$GLOBALS['TCA']`.
TYPO3 also provides APIs for making this simpler.


.. toctree::
   :maxdepth: 5
   :titlesonly:
   :glob:

   StoringChanges/Index
   Examples/Index
   Verifying/Index